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Astronomy Web Quest

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Astronomy Web Quest

Task #1:
1) - You will begin your web quest by learning how to identify stars by their magnitude, color, and temperature, and spectral class.
Go to Stars: Lights in The Sky (http://www.seasky.org/celestial-objects/stars.html) and write out the answers to the following questions.
--Name the brightest star in the known universe.
--What is its magnitude?
--Are the brightest stars low magnitude or high magnitude?
--How much does the brightness of a star change with each change in magnitude of one?

2) - Do a search on the Internet for "brightest stars" and make a top 10 list of the names of the 10 brightest stars in the known universe and their magnitude. [List on back of paper]

3) - Finally, design a colored diagram that displays the colors of the hottest stars on the left to the coolest stars on the right.
Stars are grouped into spectral classes based on a range of temperatures they fall into.
Label the spectral classes (O, B, A, F, G, K, M) appropriately under each star color in your diagram.

To complete Task #1,
Come up with a clever sentence or phrase (the first letter of each word in your phrase is one spectral class letter) to help you remember the order of the spectral classes and write it under your diagram on your paper.
Answer the following few more questions. - What color is the brightest star? - What color is the coolest star? -What color is our sun? -What spectral class of stars is the hottest? -What spectral class of stars is the coolest? - What spectral class is our

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